Process Populate Anything Tags in $form_data array

[jakejackson1]

Description

Resolves problems in custom PDF templates.

Testing instructions

1. With Gravity Wiz and Populate Anything Perk installed, import this Gravity Form simple-populate-anything-form.json.txt (remove the .txt extension)
2. Submit a test entry by filling out the name field
3. Configure a Core PDF template on the form with the Show HTML Fields setting enabled, and verify the live merge tags in the HTML are processed
4. Configure a custom PDF template on the form and echo the $form_data['html_id'][5] HTML field, and verify the live merge tags are processed in the HTML

Screenshots

Checklist:

• [x] I've tested the code.
• [x] My code is easy to read, follow, and understand
• [ ] My code follows the accessibility standards.
• [ ] My code has proper inline documentation / docblocks.

Additional Comments

[codecov[bot]]

Codecov Report

Merging #1455 (8050dff) into development (f9649f0) will increase coverage by 17.58%. The diff coverage is n/a.

:exclamation: Current head 8050dff differs from pull request most recent head e06d693. Consider uploading reports for the commit e06d693 to get more accurate results

@@                Coverage Diff                 @@
##             development    #1455       +/-   ##
==================================================
+ Coverage          75.71%   93.30%   +17.58%     
==================================================
  Files                243       57      -186     
  Lines              12828     1464    -11364     
  Branches             370      370               
==================================================
- Hits                9713     1366     -8347     
+ Misses              3107       90     -3017     
  Partials               8        8               

see 186 files with indirect coverage changes

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